12171280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13831}}^1$

素因数の和:13855

約数の個数: 40

約数和(自身を含む): 30873024

約数和(自身を除く): 18701744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13831, 27662, 55324, 69155, 110648, 138310, 152141, 221296, 276620, 304282, 553240, 608564, 760705, 1106480, 1217128, 1521410, 2434256, 3042820, 6085640, 12171280]

約数ペア:

[(1, 12171280), (2, 6085640), (4, 3042820), (5, 2434256), (8, 1521410), (10, 1217128), (11, 1106480), (16, 760705), (20, 608564), (22, 553240), (40, 304282), (44, 276620), (55, 221296), (80, 152141), (88, 138310), (110, 110648), (176, 69155), (220, 55324), (440, 27662), (880, 13831)]